code: def test_easting_northing():
      false_easting = 1000000
      false_northing = -2000000
      crs = ccrs.Mercator(
          false_easting=false_easting, false_northing=false_northing
      )
      other_args = {
          "ellps=WGS84",
          "lon_0=0.0",
          f"x_0={false_easting}",
          f"y_0={false_northing}",
          "units=m",
      }
      check_proj_params("merc", crs, other_args)
  
      assert_almost_equal(
          crs.boundary.bounds,
          [-19037508, -17496571, 21037508, 16764656],
          decimal=0,
      )
  
file_path: cartopy/lib/cartopy/tests/crs/test_mercator.py
imports: from numpy.testing import assert_almost_equal
  import pytest
  import cartopy.crs
  from .helpers import check_proj_params
label_desc: Use image node_id 6 for calling a global function with example usage: test_easting_northing() without return types